Intrinsically Safe Transmitters from Tel-Tru
Tel-Tru Manufacturing Co.
July 25, 2010
Tel-Tru P612 and P622 silicon glass-fused pressure transmitters from Tel-Tru Manufacturing Co., Rochester, NY, are intrinsically safe certified to Class I, Div. 1, Groups A, B, C, and D when used with approved zener barrier systems. The P612 has a welded 316 SS body, includes no O-rings or seals, and is available in accuracies of ±0.50%, ±0.25%, or ±0.15% of calibrated span. It is field-rangeable and can be ordered with pressure ranges to 10,000 psi. The P621 offers most of the same features, is designed and manufactured in accordance with 3A standards, and is compatible with CIP and SIP maintenance procedures. Pressure ranges are to 1000 psi. The sensor is available with a variety of Tri-Clamp or Cherry-Burrell process connections.
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